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https://www.readbyqxmd.com/read/28526339/magnesium-isoglycyrrhizinate-blocks-fructose-induced-hepatic-nf-%C3%AE%C2%BAb-nlrp3-inflammasome-activation-and-lipid-metabolism-disorder
#1
Xiao-Juan Zhao, Yan-Zi Yang, Yan-Jing Zheng, Shan-Chun Wang, Hong-Mei Gu, Ying Pan, Shui-Juan Wang, Hong-Jiang Xu, Ling-Dong Kong
Magnesium isoglycyrrhizinate as a hepatoprotective agent possesses immune modulation and anti-inflammation, and treats liver diseases. But its effects on immunological-inflammatory and metabolic profiles for metabolic syndrome with liver injury and underlying potential mechanisms are not fully understood. In this study, magnesium isoglycyrrhizinate alleviated liver inflammation and lipid accumulation in fructose-fed rats with metabolic syndrome. It also suppressed hepatic inflammatory signaling activation by reducing protein levels of phosphorylation of nuclear factor-kappa B p65 (p-NF-κB p65), inhibitor of nuclear factor kappa-B kinase α/β (p-IKKα/β) and inhibitor of NF-κB α (p-IκBα) as well as nucleotide-binding domain (NOD)-like receptor protein 3 (NLRP3), apoptosis-associated speck-like protein (ASC) and Caspase-1 in rats, being consistent with its reduction of interleukin-1β (IL-1β), tumor necrosis factor-α (TNF-α) and IL-6 levels...
May 16, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28526137/cellular-and-molecular-mechanisms-of-autoimmunity-and-lupus-nephritis
#2
S K Devarapu, G Lorenz, O P Kulkarni, H-J Anders, S R Mulay
Autoimmunity involves immune responses directed against self, which are a result of defective self/foreign distinction of the immune system, leading to proliferation of self-reactive lymphocytes, and is characterized by systemic, as well as tissue-specific, inflammation. Numerous mechanisms operate to ensure the immune tolerance to self-antigens. However, monogenetic defects or genetic variants that weaken immune tolerance render susceptibility to the loss of immune tolerance, which is further triggered by environmental factors...
2017: International Review of Cell and Molecular Biology
https://www.readbyqxmd.com/read/28524743/nanoparticle-exposures-from-nano-enabled-toner-based-printing-equipment-and-human-health-state-of-science-and-future-research-needs
#3
Sandra Vanessa Pirela, John Martin, Dhimiter Bello, Philip Demokritou
Toner formulations used by laser printers (LP) and photocopiers (PC), collectively called "toner-based printing equipment" (TPE), are nano-enabled products (NEP) because they contain several engineered nanomaterials (ENM) that improve toner performance. It has been shown that during consumer use (printing), these ENM are released in the air, together with other semi-volatile organic nanoparticles, and newly formed gaseous co-pollutants such as volatile organic compounds (VOC). The aim of this review is to detail and analyze physico-chemical and morphological (PCM), as well as the toxicological properties of particulate matter (PM) emissions from TPE...
May 19, 2017: Critical Reviews in Toxicology
https://www.readbyqxmd.com/read/28524624/pulmonary-arterial-hypertension-progress-in-understanding-the-disease-and-prioritizing-strategies-for-drug-development
#4
REVIEW
P Ghataorhe, C J Rhodes, L Harbaum, M Attard, J Wharton, M R Wilkins
Pulmonary arterial hypertension (PAH), at one time a largely overlooked disease, is now the subject of intense study in many academic and biotech groups. The availability of new treatments has increased awareness of the condition. This in turn has driven a change in the demographics of PAH, with an increase in the mean age at diagnosis. The diagnosis of PAH in more elderly patients has highlighted the need for careful phenotyping of patients and for further studies to understand how best to manage pulmonary hypertension associated with, for example, left heart disease...
May 19, 2017: Journal of Internal Medicine
https://www.readbyqxmd.com/read/28524200/isolation-of-a-novel-bioactive-protein-from-an-edible-mushroom-pleurotus-eryngii-and-its-anti-inflammatory-potential
#5
Biao Yuan, Liyan Zhao, Kanyasiri Rakariyatham, Yanhui Han, Zili Gao, Benard Muinde Kimatu, Qiuhui Hu, Hang Xiao
Edible mushrooms are rich sources of bioactive components. In this study, a bioactive protein, PEP, was isolated from an edible mushroom, Pleurotus eryngii, through (NH4)2SO4 precipitation and ion-exchange chromatography. Proteomic analysis by matrix assisted laser desorption ionization-time of flight mass spectrometry showed that PEP was a novel protein with a molecular weight of 40 kDa. PEP exhibited anti-inflammatory effects in LPS-stimulated RAW 264.7 macrophages by inhibiting the overproduction of pro-inflammatory mediators including nitric oxide (NO), cytokine IL-1β and IL-6...
May 19, 2017: Food & Function
https://www.readbyqxmd.com/read/28523230/targeting-resolution-of-neuroinflammation-after-ischemic-stroke-with-a-lipoxin-a4-analog-protective-mechanisms-and-long-term-effects-on-neurological-recovery
#6
Kimberly E Hawkins, Kelly M DeMars, Jon C Alexander, Lauren G de Leon, Sean C Pacheco, Christina Graves, Changjun Yang, Austin O McCrea, Jan C Frankowski, Timothy J Garrett, Marcelo Febo, Eduardo Candelario-Jalil
BACKGROUND: Resolution of inflammation is an emerging new strategy to reduce damage following ischemic stroke. Lipoxin A4 (LXA 4) is an anti-inflammatory, pro-resolution lipid mediator that reduces neuroinflammation in stroke. Since LXA 4 is rapidly inactivated, potent analogs have been synthesized, including BML-111. We hypothesized that post-ischemic, intravenous treatment with BML-111 for 1 week would provide neuroprotection and reduce neurobehavioral deficits at 4 weeks after ischemic stroke in rats...
May 2017: Brain and Behavior
https://www.readbyqxmd.com/read/28523069/crosstalk-between-aryl-hydrocarbon-receptor-and-glucocorticoid-receptor-in-human-retinal-pigment-epithelial-cells
#7
Hong Lan Jin, Yujin Choi, Kwang Won Jeong
The aryl hydrocarbon receptor (AHR) is known to mediate the cellular reaction involved in processing environmental contaminants and, ultimately, preventing accumulation of unfavorable extra lipids and proteins. Glucocorticoid receptor (GR) mediates the expression of genes associated with anti-inflammatory properties. Because AHR and GR are closely related in lipid metabolic dysregulation and inflammation, we speculate that AHR and GR may play a crucial role in AMD pathogenesis and focus on their crosstalk in human retinal pigment epithelial cells (ARPE-19)...
2017: International Journal of Endocrinology
https://www.readbyqxmd.com/read/28522908/detection-and-characterization-of-murine-colitis-and-carcinogenesis-by-molecularly-targeted-contrast-enhanced-ultrasound
#8
Markus Brückner, Jan Heidemann, Tobias M Nowacki, Friederike Cordes, Jörg Stypmann, Philipp Lenz, Faekah Gohar, Andreas Lügering, Dominik Bettenworth
AIM: To study mucosal addressin cellular adhesion molecule-1 (MAdCAM-1) and vascular endothelial growth factor (VEGF)-targeted contrast enhanced ultrasound (CEUS) for the assessment of murine colitis and carcinogenesis. METHODS: C57BL/6 mice were challenged with 3% dextran sodium-sulfate (DSS) for three, six or nine days to study the development of acute colitis. Ultrasound was performed with and without the addition of unspecific contrast agents. MAdCAM-1-targeted contrast agent was used to detect and quantify MAdCAM-1 expression...
April 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28521491/hif-1%C3%AE-acts-as-a-molecular-target-for-simvastatin-cytotoxicity-in-b16-f10-melanoma-cells-cultured-under-chemically-induced-hypoxia
#9
Emilia Licarete, Alina Sesarman, Valentin Florian Rauca, Lavinia Luput, Laura Patras, Manuela Banciu
Our previous studies reported that one of the main mechanisms of the antitumor activity of simvastatin (SIM) in B16.F10 murine melanoma cells was associated with strong suppression of the constitutive cell production of the α subunit of the heterodimeric transcription factor hypoxia-inducible factor (HIF)-1. Thus, the present study aimed to broaden this finding under hypoxic conditions induced by incubation of B16.F10 cells with cobalt chloride, when the constitutive production of HIF-1α in these melanoma cells is amplified by inducible expression of this factor...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28520694/metabolic-inflammatory-complex-in-sepsis-septic-cachexia-as-a-novel-potential-therapeutic-target
#10
Masao Kaneki
Despite several decades of focused investigation, sepsis remains a major cause of mortality in critically ill patients. Advancements in intensive care have enabled more patients to survive the acute phase of sepsis than previously, but a growing number of them progress to chronic critical illness. The failure of previous randomized clinical trials of anti-inflammatory agents to show any pro-survival benefit in septic patients underscores current thought that simple anti-inflammatory strategies are ineffective because the inhibitory effect of anti-inflammatory agents undermines the immune response to pathogens...
May 17, 2017: Shock
https://www.readbyqxmd.com/read/28518186/molecular-activity-and-osseointegration-after-single-dose-irradiation-an-in-vivo-study
#11
Jan Nyberg, Gisela Helenius, Christer Dahlin, Carina B Johansson, Omar Omar
PURPOSE: Irradiation results in deleterious effects on bone healing and integration of titanium implants. The impact of irradiation on osseointegration has been demonstrated in histologic studies, but the underlying molecular mechanisms have not been explored. This study aimed to investigate the effects of single-dose irradiation on the expression of biologic mediators crucial for inflammation, bone formation, and bone remodeling and to relate these molecular activities to implant stability after a 5-week healing period...
May 18, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28515920/predictive-value-of-the-modified-glasgow-prognostic-score-for-the-therapeutic-effects-of-molecular-targeted-drugs-on-advanced-renal-cell-carcinoma
#12
Hirofumi Ohmura, Keita Uchino, Tatsuhiro Kajitani, Naotaka Sakamoto, Eishi Baba
Inflammation is considered to be a prognostic factor for renal cell carcinoma (RCC). An inflammation-based prognostic score (modified Glasgow Prognostic Score; mGPS) is widely used for preoperative patients; however, little information is available regarding its prognostic value in patients with RCC treated with molecular-targeted drugs. A total of 32 advanced and recurrent RCC patients initially treated with molecular-targeted drugs from October, 2009 to August, 2015 were retrospectively investigated. Information on patient characteristics prior to treatment initiation and the clinical course were retrieved from clinical records...
May 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28515914/analysis-of-the-function-of-microrna-375-in-humans-using-bioinformatics
#13
Xiaohua Chen, Baoxia Li, Rongcheng Luo, Sina Cai, Cao Zhang, Xiaolong Cao
MicroRNA-375 (miR-375) is expressed at low levels in many types of solid tumor, particularly in gastrointestinal tumors. It is considered to be important in the development of cancer and certain diseases. Thus, more detailed knowledge is required on the particular functions of miR-375. miRs function by regulating target genes. Therefore, in the current study, miRWalk (which includes the data from 10 prediction software programs) was used to predict the target genes of miR-375. The genes, which were co-predicted using five different software programs were further analyzed using Database for Annotation, Visualization and Integrated Discovery online software [including gene ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analysis]...
May 2017: Biomedical Reports
https://www.readbyqxmd.com/read/28515464/systems-immunology-of-diabetes-tuberculosis-comorbidity-reveals-signatures-of-disease-complications
#14
Cesar A Prada-Medina, Kiyoshi F Fukutani, Nathella Pavan Kumar, Leonardo Gil-Santana, Subash Babu, Flávio Lichtenstein, Kim West, Shanmugam Sivakumar, Pradeep A Menon, Vijay Viswanathan, Bruno B Andrade, Helder I Nakaya, Hardy Kornfeld
Comorbid diabetes mellitus (DM) increases tuberculosis (TB) risk and adverse outcomes but the pathological interactions between DM and TB remain incompletely understood. We performed an integrative analysis of whole blood gene expression and plasma analytes, comparing South Indian TB patients with and without DM to diabetic and non-diabetic controls without TB. Luminex assay of plasma cytokines and growth factors delineated a distinct biosignature in comorbid TBDM in this cohort. Transcriptional profiling revealed elements in common with published TB signatures from cohorts that excluded DM...
May 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28515365/ceramide-synthesis-regulates-t-cell-activity-and-gvhd-development
#15
M Hanief Sofi, Jessica Heinrichs, Mohammed Dany, Hung Nguyen, Min Dai, David Bastian, Steven Schutt, Yongxia Wu, Anusara Daenthanasanmak, Salih Gencer, Aleksandra Zivkovic, Zdzislaw Szulc, Holger Stark, Chen Liu, Ying-Jun Chang, Besim Ogretmen, Xue-Zhong Yu
Allogeneic hematopoietic cell transplantation (allo-HCT) is an effective immunotherapy for a variety of hematologic malignances, yet its efficacy is impeded by the development of graft-versus-host disease (GVHD). GVHD is characterized by activation, expansion, cytokine production, and migration of alloreactive donor T cells. Hence, strategies to limit GVHD are highly desirable. Ceramides are known to contribute to inflammation and autoimmunity. However, their involvement in T-cell responses to alloantigens is undefined...
May 18, 2017: JCI Insight
https://www.readbyqxmd.com/read/28515318/molecular-mechanism-of-activation-of-class-ia-phosphoinositide-3-kinases-pi3ks-by-membrane-localized-hras
#16
Braden D Siempelkamp, Manoj K Rathinaswamy, Meredith L Jenkins, John E Burke
Class IA PI3Ks are involved in the generation of the key lipid signaling molecule phosphatidylinositol 3,4,5-trisphosphate (PIP3), and inappropriate activation of this pathway is implicated in a multitude of human diseases, including cancer, inflammation, and primary immunodeficiencies. Class IA PI3Ks are activated downstream of the Ras superfamily of GTPases, and Ras-PI3K interaction plays a key role in promoting tumor formation and maintenance in Ras-driven tumors. Investigating the detailed molecular events in the Ras-PI3K interaction has been challenging because it occurs on a membrane surface...
May 17, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28514998/affibody-molecules-in-biotechnological-and-medical-applications
#17
REVIEW
Stefan Ståhl, Torbjörn Gräslund, Amelie Eriksson Karlström, Fredrik Y Frejd, Per-Åke Nygren, John Löfblom
Affibody molecules are small (6.5-kDa) affinity proteins based on a three-helix bundle domain framework. Since their introduction 20 years ago as an alternative to antibodies for biotechnological applications, the first therapeutic affibody molecules have now entered clinical development and more than 400 studies have been published in which affibody molecules have been developed and used in a variety of contexts. In this review, we focus primarily on efforts over the past 5 years to explore the potential of affibody molecules for medical applications in oncology, neurodegenerative, and inflammation disorders, including molecular imaging, receptor signal blocking, and delivery of toxic payloads...
May 14, 2017: Trends in Biotechnology
https://www.readbyqxmd.com/read/28514495/protective-effects-of-dioscin-against-cisplatin-induced-nephrotoxicity-via-regulating-mir-34a-sirt1-signal-pathway
#18
Yimeng Zhang, Xufeng Tao, Lianhong Yin, Lina Xu, Youwei Xu, Yan Qi, Xu Han, Shasha Song, Yanyan Zhao, Yuan Lin, Kexin Liu, Jinyong Peng
BACKGROUND AND PURPOSE: Dioscin has various pharmacological actions in our previous works, however, little is known concerning the role of it on cisplatin (CDDP)-induced nephrotoxicity. The aim of the present study was to investigate the effects and possible mechanisms of dioscin against CDDP-induced nephrotoxicity. EXPERIMENTAL APPROACH: In the present study, the in vivo models of CDDP-induced nephrotoxicity in rats and mice were used, and the in vitro models on NRK-52E and HK-2 cells were developed...
May 17, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28513744/high-affinity-recognition-of-the-human-c-reactive-protein-independent-of-phosphocholine
#19
Jie Yang, Anna-Lena Gustavsson, Martin Haraldsson, Göran Karlsson, Thomas Norberg, Lars Baltzer
A high-affinity polypeptide conjugate 4-C25L22-DQ, has been developed for the molecular recognition of the human C-reactive protein, CRP, a well-known inflammation biomarker. CRP is one of the most frequently quantified targets in diagnostic applications and a target in drug development. With the exception of antibodies, most molecular constructs take advantage of the known affinity for CRP of phosphocholine that depends on Ca(2+) for its ability to bind. 4-C25L22-DQ which is unrelated to phosphocholine binds in the absence of Ca(2+) with a dissociation constant of 760 nM, an order of magnitude lower than that of phosphocholine, the KD of which is 5 μM...
May 17, 2017: Organic & Biomolecular Chemistry
https://www.readbyqxmd.com/read/28512631/genetic-alterations-in-gastric-cancer-associated-with-helicobacter-pylori-infection
#20
REVIEW
Claudia I Rivas-Ortiz, Yolanda Lopez-Vidal, Luis Jose Rene Arredondo-Hernandez, Gonzalo Castillo-Rojas
Gastric cancer is a world health problem and depicts the fourth leading mortality cause from malignancy in Mexico. Causation of gastric cancer is not only due to the combined effects of environmental factors and genetic variants. Recent molecular studies have transgressed a number of genes involved in gastric carcinogenesis. The aim of this review is to understand the recent basics of gene expression in the development of the process of gastric carcinogenesis. Genetic variants, polymorphisms, desoxyribonucleic acid methylation, and genes involved in mediating inflammation have been associated with the development of gastric carcinogenesis...
2017: Frontiers in Medicine
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